Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Apr. 01, 2016	Jul. 03, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation, net of income taxes of $29 million and $15 million at April 1, 2016 and July 3, 2015, respectively	$ (114)	$ (62)
Net unrealized loss on hedging derivatives, net of income taxes of $11 million and $12 million at April 1, 2016 and July 3, 2015, respectively	(18)	(19)
Unrecognized postretirement obligations, net of income taxes of $41 million and $42 million at April 1, 2016 and July 3, 2015, respectively	62	65
Accumulated other comprehensive loss	(70)	(16)
Tax effect on foreign currency translation	29	15
Tax effect on unrealized loss on hedging derivatives	11	12
Tax effect on unrecognized post-retirement obligations	$ 41	$ 42